Plazma Burst: Forward to the Past

Human Soldiers - Soldiers on an unknown planet from the Earth. They are hostile to every faction in the first game.

Grubs- Hostile faction, fighting the Humans and the Marine. There are two types of them: an usual Grub and a more advanced Elite Grub. It's still unknown who exactly they are: androids or cyborgs.

Falkoks - The first alien race in the universe, the strongest enemies of the Marine. They are responsible for the creation of Sword Bot. It is unclear whether or not the Falkoks are native to the planet.

Correction 9 - Heroes from the future, sent back from the future to stop the alien attack as they are elite soldiers, but they arrived at the wrong place without their Time Machine. The Marine is the main protagonist of the game.